What do I need to think about ?

[racecar41]

As far as:

1.The Fire Marshall
2. City / County
3. Concessions
4. Insurance

In running a safe & fun Pro Haunt

[wipp]

thats a huge question.all those answers are discussed tho in posts made on the professional haunted house chat

[brad]

Well you would really want to get outside of the city limits. That will give you a lot of leeway, as far as getting inspected by city/county.

[ScarlettP]

Buy Kelly Allen's book. And search through the topics here. It's all been discussed fairly frequently.